Below ground fence barrier



FIG. 1 is a front elevation view of a below ground fence barrier showing my new design;

FIG. 2 is a right side elevation view thereof; the opposite side being the mirror image of the shown;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is an isometric view thereof.

The broken lines shown in FIG. 5 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a below ground fence barrier, as shown and described. 